Method of treatment of hyperpigmentation in black skin with reti

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...

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424 59, 514725, A61K 3119, A61K 3107, A61K 744

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active

057505705

ABSTRACT:
Hyperpigmentation of black skin may be treated by topical application of retinoic acid to the skin. Topical application of retinoic acid is also effective for lightening normal black skin.

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